We are very grateful. Thank You, beyond words.Some kind words from our patients. Dear Dr. Clark, I am writing this letter to you to express my sincere gratitude to you and your entire staff. Have you received an award or honor and want to write an appreciative letter? Have your employees, colleagues, teachers, family, or friends achieved an. Everyone likes to feel appreciated and recognised. Why Is an Employee Appreciation Letter Important? How to Effectively Communicate Your Appreciation for Better Employee Engagement? Many people say "thank you" using text messages or chat these days, but nothing beats writing an old-fashioned thank you letter.